Much of the details of the strike are being held in secret but according to a spokesperson it was based on “actionable intelligence,” meaning Mutazz was known to be in the area at the time.

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More from CNN:

CNN)The No. 2 figure in ISIS, Haji Mutazz, was killed in an August 18 drone strike near Mosul, Iraq, a spokesman for the U.S. National Security Council announced Friday.

Ned Price confirmed what several U.S. officials told CNN earlier, and added that Mutazz was traveling in a car with a Islamic State media operative named Abu Abdullah when the vehicle was hit.

Price said in a written statement Mutazz was in charge of ISIS operations in Iraq and was a key military planner. The U.S. also believes Mutazz was prominently involved in directing ISIS’ financial operations.